CN102261069A - Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same - Google Patents
Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same Download PDFInfo
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- CN102261069A CN102261069A CN2011101129497A CN201110112949A CN102261069A CN 102261069 A CN102261069 A CN 102261069A CN 2011101129497 A CN2011101129497 A CN 2011101129497A CN 201110112949 A CN201110112949 A CN 201110112949A CN 102261069 A CN102261069 A CN 102261069A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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Abstract
The invention relates to a recyclable anchor rod construction method in the field of rock anchoring, and a cavity rod body and a high-pressure heater used by the method. The cavity rod body consists of three parts, namely a rod body (1), a shell (2) and a cavity (3), wherein the shell (2) is firmly bonded to the outside surface of the rod body (1) at normal temperature; after heating, the bond strength between the rod body (1) and the shell (2) is reduced along with the increment of the temperature; when recycling, the shell (2) is heated uniformly by heating the liquid (5) in the cavity (3); and the aim of uniformly heating and recycling at a high temperature and a high pressure is fulfilled by improving the boiling point of the liquid (5) by improving the air pressure in the cavity (3). By using the cavity rod body and the high-pressure heater, the anchor rod recycling rate can reach 100 percent; and a foundation is laid for the wide application of recyclable anchor rods.
Description
Technical field
The present invention relates to field of civil engineering, particularly relate to callable anchor pole engineering field.
Background technology
Existing callable anchor rod construction method mainly contains the separation etc. that the various anchor poles that connect by mechanical whorl and the inventor propose by direct heating, the body of rod body of rod is reclaimed.With the immediate documents of the present invention be that (application number: 2006100258150), the step of this method is as follows: a) shelling type reinforcement body is placed geotechnical body for the callable rock-reinforcing construction method that proposes of the inventor and used shelling type reinforcement body, recover; B) surrounding enviroment by above-mentioned shelling type reinforcement body change, and the adhesion strength between above-mentioned shelling type reinforcement body and the geotechnical body is reduced; C) shelling type reinforcement body after the above-mentioned adhesion strength reduction is reclaimed from geotechnical body, this method mainly is to react the bonding strength that makes the shell of shelling type reinforcement and add between the solid by direct heating or generation to reduce, and reclaims then to add solid.This method efficiency of heating surface is lower, sheathing material is required high, and heating-up temperature is low, and when the body of rod was longer, it was inhomogeneous to be heated, and has increased recovery difficult, the cost recovery height, and phenomenon such as heater damage often appears.
Summary of the invention
First purpose of the present invention is to provide first kind of callable anchor rod construction method, and this callable anchor rod construction method can be simplified body of rod reclaimer, rate of recovery height, and cost recovery reduces greatly.
Above-mentioned purpose of the present invention is to realize that by first kind of following callable anchor rod construction method first kind of callable anchor rod construction method comprises the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body with the shell and the inner body of rod that contains cavity that the temperature rising reduces;
B) insert heatable liquid in the cavity of the recovery forward direction body of rod;
C), the adhesion strength between the shell and the body of rod is reduced by the liquid heating body of rod in the heating body of rod cavity and be bonded in the shell of body of rod external surface;
D) reclaim the body of rod.
Second purpose of the present invention is to provide second kind of callable anchor rod construction method, this second kind of callable anchor rod construction method can improve heating-up temperature, and homogeneous heating, make the strong but higher constructional materials of softening point of epoxy resin, sulphide mastic equal strength height, bond stress can be used in the callable anchor pole engineering, and available water realizes that indirect heating reclaims, and reduces engineering cost significantly.
Above-mentioned purpose of the present invention is to realize that by second kind of following callable anchor rod construction method second kind of callable anchor rod construction method comprises the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body with the shell and the inner body of rod that contains cavity that the temperature rising reduces;
B) reclaim preceding cavity sealing, in the cavity of the body of rod,, the adhesion strength between the shell and the body of rod is reduced by the shell of the HTHP heating body of rod and body of rod external surface bonding with the body of rod;
C) reclaim the body of rod.
The 3rd purpose of the present invention is that first kind of cavity body of rod providing above-mentioned callable anchor rod construction method used, this first kind of cavity body of rod can realize the recovery construction of the body of rod smoothly.
This first kind of cavity body of rod comprises the body of rod and the shell two parts that can raise and reduce with temperature with body of rod bonding and adhesion strength, and the cavity of an end opening is contained in body of rod inside wherein, and shell is positioned at the external surface of the body of rod.
Second kind of cavity body of rod providing above-mentioned callable anchor rod construction method used is provided the 4th purpose of the present invention, and this second kind of cavity body of rod can improve the adhesion stress between the body of rod and rock-reinforcing body, and cost is low, and construction technology is simple.
This second kind of cavity body of rod comprises the body of rod, shell and separate type stiffening rib three parts composition, shell wherein is to be bonded in the structure that body of rod external surface and adhesion strength can raise and reduce with temperature, the cavity of an end opening is contained in body of rod inside, the separate type stiffening rib is positioned at body of rod external surface and forms scraggly structure at the external surface of the body of rod, and the separate type stiffening rib is by shell and body of rod secure bond.
The 5th purpose of the present invention is to provide a kind of above-mentioned callable anchor rod construction method used high-pressure heater, and this high-pressure heater can be realized callable anchor rod construction method smoothly, makes work simplification, handling safety.
This high-pressure heater comprises heater, sealer, thermometer three parts composition, and heater wherein comprises lead and heating element two parts composition, and lead passes through sealer and is connected with power supply, and temperature is counted the instrument of measuring temperature.
In above-mentioned high-pressure heater, can safety guard be installed at the sealer place, safety guard is the device that prevents that sealer under high pressure outwards launching.
In above-mentioned high-pressure heater, can on thermometer and heater, be connected controller, controller is that heating-up temperature reaches the device that can report to the police or cut off automatically the power supply of heater behind the predetermined temperature.
Callable anchor rod construction method of the present invention and the used cavity body of rod, high-pressure heater thereof, realized the body of rod evenly being heated by liquid or gas, can improve the boiling point of liquid by high pressure, the high-pressure uniform that reaches a high temperature heating recovery purpose, reduction is to the requirement of sheathing material, engineering cost is reduced greatly, the invention enables the anchor pole rate of recovery can reach 100%, for the widely-used of recoverable anchor rod laid a good foundation.
Description of drawings
Fig. 1 is first kind of used cavity body of rod structure construction schematic diagram of first embodiment of the present invention
Fig. 2 is second kind of used cavity body of rod structure construction schematic diagram of second embodiment of the present invention
Fig. 3 is the 3rd embodiment of the present invention and the 4th embodiment phase I schematic diagram
Fig. 4 is the 3rd an embodiment second stage schematic diagram of the present invention
Fig. 5 is the 3rd an embodiment phase III schematic diagram of the present invention
Fig. 6 is four embodiment phase III schematic diagrames of the 3rd embodiment quadravalence Duan Yudi of the present invention
Fig. 7 is the 4th embodiment second stage schematic diagram of the present invention and the 5th the high-pressure heater organigram that embodiment is used of the present invention;
The specific embodiment
As first embodiment of the present invention, main purpose is to introduce callable anchor rod construction method of the present invention used first kind of cavity body of rod structure construction, operating principle in conjunction with Fig. 1.As shown in Figure 1, first kind of cavity body of rod comprises the body of rod (1) and shell (2) two parts that can raise and reduce with temperature with the body of rod (1) bonding and adhesion strength, the cavity (3) of an end opening is contained in the body of rod wherein (1) inside, shell (2) is positioned at the external surface of the body of rod (1), in reclaiming work progress, can evenly heat the body of rod (1) by cavity (3), and then shell (2) evenly be heated by the body of rod (1).Shell (2) can be formed with the material that the temperature rising reduces for adhesion strength, in use, shell (2) at normal temperatures with the body of rod (1) secure bond, provide bearing capacity with the body of rod (1) acting in conjunction, after heating, shell (2) removes until elementary solution with the adhesion strength reduction of the body of rod (1), thereby the body of rod (1) can be extracted from rock-reinforcing body (4).Shell (2) can adopt epoxy resin or sulphide mastic etc. can with the material of steel secure bond, the body of rod (1) can be the steel pipe of end sealing or the round steel of hollow, the thickness of shell (2) can design as required, the requirement design that the big I of cavity (3) is transmitted according to heat, the wall thickness of the body of rod (1) and intensity can be determined according to Design of Bearing Capacity.
As second embodiment of the present invention, main purpose is to introduce callable anchor rod construction method of the present invention used second kind of cavity body of rod structure construction, operating principle in conjunction with Fig. 2.As shown in Figure 2, second kind of cavity body of rod comprises the body of rod (1), shell (2) is formed with separate type stiffening rib (7) three parts, the material of the body of rod wherein (1) and shell (2), structure and operating principle are with first embodiment, be to have increased separate type stiffening rib (7) with first embodiment difference, separate type stiffening rib (7) can adopt reinforcing bar or steel strand spirality to be wound in the outside of the body of rod (1), when making, can utilize the adhesion stress of shell (2) that separate type stiffening rib (7) firmly is connected with the body of rod (1), when being used to complete the back recovery, can realize extracting earlier the body of rod (1) by the adhesion strength that reduces shell (2), extract separate type stiffening rib (7) then, thereby the recovery operation of finishing, can also adopt glass fiber reinforced plastic, the material separate type stiffening rib (7) that shear strengths such as mortar are lower, after finishing the body of rod (1) recovery, can no longer carry out the recovery of separate type stiffening rib (7).In the present embodiment, the purpose of increase separate type stiffening rib (7) is the adhesion strength that can improve in use between the body of rod (1) and the rock-reinforcing body (4).
As the 3rd embodiment of the present invention, main purpose is in conjunction with Fig. 3 to Fig. 6, introduces first kind of callable anchor rod construction method of the present invention.In the first step, as shown in Figure 3, external surface is bonded with adhesion strength places rock-reinforcing body (4) with the temperature body of rod (1) that the shell (2) reduce and inside contains cavity (3) that raises, the structure construction of the body of rod (1) is as described in first embodiment or second embodiment.Insert job practices in the rock-reinforcing body (4) and can select a kind of finishing in following three kinds of methods, first method is to hole in soil, then the body of rod (1) is put in the boring, fills with water mud, cement mortar or epoxy resin mortar etc. will hole afterwards as rock-reinforcing body (4), as adopt hot melt material such as epoxy resin mortar, then the body of rod (1) outside no longer needs to be provided with shell (2); Second kind of method of inserting in the soil can be such, the body of rod (1) shaken by the mode of shaking bury; The third method of inserting in the soil can be such, and construction cement mixing method or high-pressure rotary jet grouting pile insert the body of rod (1) then as rock-reinforcing body (4) in cement mixing method or high-pressure rotary jet grouting pile in soil earlier.Thereby finish the first step of present embodiment, entered for second step.In this is rapid, as shown in Figure 4, use finish after, the interim uplift pile engineering in anchor pole in the base pit engineering or the static load test for example after the local backfill of foundation ditch or static load test are finished, can be carried out the recovery of the body of rod (1).Before reclaiming drawing, can be to the built-in entry of cavity (3) of the body of rod (1) or wet goods liquid as heatable liquid (5), thus second step of finishing present embodiment entered for the 3rd step.In this step, as shown in Figure 5, can go on foot in the liquid (5) of packing into above-mentioned second and put into heater (8), heater (8) can be the electric heater of usefulness of heating up water, heater (8) is carried out conductive heater, just can be by the shell (2) of the heating body of rod (1) of the liquid (5) in the cavity (3) of the heating body of rod (1) and external surface bonding thereof, because of shell (2) is epoxide resin material or sulphide mastic material, shell (2) can raise progressively softening with temperature, the adhesion strength of shell (2) and the body of rod (1) reduces and progressively is tending towards not having adhesion strength, thereby finish the 3rd step of present embodiment, entered for the 4th step.This step as shown in Figure 6.After the construction through the 3rd step, adhesion strength is very low between the body of rod (1) and the rock-reinforcing body (4), thereby can be directly just can finish recovery to the body of rod (1) by the drawing body of rod (1).Thereby finish first kind of callable anchor rod construction method of the present invention.
As the 4th embodiment of the present invention, main purpose is in conjunction with Fig. 3, Fig. 7 and Fig. 6, introduces second kind of callable anchor rod construction method of the present invention.The first step of second kind of callable anchor rod construction method is with the 3rd above-mentioned embodiment, the 3rd step of present embodiment is with the 4th step of above-mentioned the 3rd embodiment, and the difference between the 3rd embodiment is, second step is in the present embodiment adopted the HTHP heating means during to the body of rod (1) and shell (2) heating.Realize that the HTHP heating means can be such for first kind, earlier water is put into cavity (3) as liquid (5), and make the partial volume splendid attire air of cavity (3), then cavity (3) is sealed, afterwards the liquid (5) in the cavity (3) is heated, liquid in heating process (5) is with partial gasification, increase the gas content in the cavity (3), thereby increase the air pressure in the cavity (3), the boiling point that air pressure in the cavity (3) increases back liquid (5) will improve thereupon, thereby reach the purpose that improves heating-up temperature by the air pressure that improves in the cavity (3), realize the HTHP heating, under conduction of heat, shell (2) is heated by the body of rod (1).By HTHP heating, make shell (2) can select fusing point such as epoxy resin, sulphide mastic or softening point to be higher than the material of the boiling point of water, and the optional water of liquid (5) therefore can reduce construction costs significantly, reduces recovery difficult.Second kind of method that realizes the HTHP heating can be such, the water vapour and the cavity (3) of HTHP connected, by the continuous high-temperature high-pressure steam high pressure heating purposes that reaches a high temperature of importing to cavity (3) in.
As the 5th embodiment of the present invention, main purpose is to introduce with high-pressure heater structure construction of the present invention and operating principle in conjunction with Fig. 7.As shown in Figure 7, this high-pressure heater comprises heater (8), sealer (9), thermometer (11) three parts are formed, heater wherein (8) comprises lead (12) and heating element (13) two parts composition, lead (12) passes through sealer (9) and is connected with power supply, thermometer (11) is for measuring the instrument of temperature, in the present embodiment, heater (8) can adopt daily the boil water heater of usefulness of electricity that is used for, sealer (9) can adopt can firmly link with the body of rod (1) and can the shutoff cavity device of opening of (3), the body of rod (1) is as being steel tubular structure, can adopt the nut that is complementary as sealer (9), in use, can pass through the temperature of thermometer (11) timely monitor heating, when heating-up temperature reaches predetermined temperature, can stop heating by power-down mode.In above high-pressure heater; it is unexpected that hazard event take place in order to prevent that sealer in the high pressure heating process (9) or other component outwards launch etc. under the high pressure effect; can increase safety guard (10) in the parts outside that sealer (9) etc. may occur launching; safety guard (10) main purpose is unexpected injury to occur in the prevention high pressure heating process; can adopt a kind of with in the lower device as safety guard (10); first kind of safety guard (10) is for being connected between sealer (9) and the body of rod (1) spring being set; in case sealer (9) occurring outwards launches; by spring sealer (9) is retrained and consumed energy, sealer (9) is not damaged.Second kind of safety guard (10) can be to cover on the safety guard high-pressure heater periphery and that be connected with the body of rod (1), by safety guard the high temperature and high pressure gas and the component that may launch carried out safe isolation, to reach the safeguard protection purpose.In above high-pressure heater,, save the labour in order to improve automaticity, can on high-pressure heater, connect a controller (6), after temperature reaches predetermined temperature, report to the police or cut off the power supply of heater (8), prevention over-heating automatically by controller (6).
This patent includes but not limited to other job practicess of the alternative use of professional person in this area.
Claims (7)
1. a callable anchor rod construction method is characterized in that comprising the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body (4) with the temperature body of rod (1) that the shell (2) reduce and inside contains cavity (3) that raises;
B) insert heatable liquid (5) in the cavity (3) of the recovery forward direction body of rod (1);
C), make the adhesion strength reduction between shell (2) and the body of rod (1) by liquid (5) the heating body of rod (1) in the cavity (3) of the heating body of rod (1) and be bonded in the shell (2) of the body of rod (1) external surface;
D) reclaim the body of rod (1).
2. a callable anchor rod construction method is characterized in that comprising the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body (4) with the temperature body of rod (1) that the shell (2) reduce and inside contains cavity (3) that raises;
B) reclaim preceding cavity (3) sealing, in the cavity (3) of the body of rod (1),, the adhesion strength between the shell (2) and the body of rod (1) is reduced by the shell (2) of the HTHP heating body of rod (1) and the body of rod (1) external surface bonding with the body of rod (1);
C) reclaim the body of rod (1).
3. cavity body of rod that callable anchor rod construction method is used, it is characterized in that this cavity body of rod comprises the body of rod (1) and shell (2) two parts that can raise and reduce with temperature with the body of rod (1) bonding and adhesion strength, the cavity (3) of an end opening is contained in the body of rod wherein (1) inside, and shell (2) is positioned at the external surface of the body of rod (1).
4. cavity body of rod that callable anchor rod construction method is used, it is characterized in that this cavity body of rod comprises the body of rod (1), shell (2) and separate type stiffening rib (7) three parts composition, shell wherein (2) is for being bonded in the structure that the body of rod (1) external surface and adhesion strength can raise and reduce with temperature, the cavity (3) of an end opening is contained in the body of rod (1) inside, separate type stiffening rib (7) is positioned at the body of rod (1) external surface and forms scraggly structure at the external surface of the body of rod (1), and separate type stiffening rib (7) is by shell (2) and the body of rod (1) secure bond.
5. high-pressure heater that callable anchor rod construction method is used, it is characterized in that this high-pressure heater comprises heater (8), sealer (9), thermometer (11) three parts composition, heater wherein (8) comprises lead (12) and heating element (13) two parts composition, lead (12) passes through sealer (9) and is connected with power supply, and thermometer (11) is for measuring the instrument of temperature.
6. high-pressure heater according to claim 5 is characterized in that locating to install safety guard (10) at sealer (9), and safety guard (10) is for preventing the device that sealer (9) under high pressure outwards launches.
7. high-pressure heater according to claim 5 is characterized in that being connected controller (6) on thermometer (11) and heater (8), and controller (6) reaches the device that can report to the police or cut off automatically the power supply of heater (8) behind the predetermined temperature for heating-up temperature.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101129497A CN102261069A (en) | 2011-04-29 | 2011-04-29 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
| PCT/CN2012/000561 WO2012146062A1 (en) | 2011-04-29 | 2012-04-26 | Construction method for indirectly heating recoverable anchors and cavity anchor and high-pressure heater used in the same |
| CN2012101386096A CN102660947A (en) | 2011-04-29 | 2012-04-26 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101129497A CN102261069A (en) | 2011-04-29 | 2011-04-29 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102261069A true CN102261069A (en) | 2011-11-30 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101129497A Pending CN102261069A (en) | 2011-04-29 | 2011-04-29 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
| CN2012101386096A Pending CN102660947A (en) | 2011-04-29 | 2012-04-26 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101386096A Pending CN102660947A (en) | 2011-04-29 | 2012-04-26 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102261069A (en) |
| WO (1) | WO2012146062A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660947A (en) * | 2011-04-29 | 2012-09-12 | 张继红 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
| CN102704476A (en) * | 2012-05-15 | 2012-10-03 | 覃永忠 | Recyclable end bearing anchor |
| WO2014146548A1 (en) * | 2013-03-19 | 2014-09-25 | 苏州市能工基础工程有限责任公司 | Improved clip type anchor device |
| CN109441513A (en) * | 2018-11-28 | 2019-03-08 | 山西水利职业技术学院 | A kind of tunnel construction safety automatic monitor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227962B (en) * | 2017-06-14 | 2023-09-22 | 中铁二院工程集团有限责任公司 | Tunnel reinforcing structure with adjustable dynamic deformation and construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007070905A2 (en) * | 2005-12-19 | 2007-06-28 | Atlas Copco Mai Gmbh | Heat exchanger |
| CN1837503B (en) * | 2006-04-18 | 2012-05-23 | 张继红 | Shell-reclaimable rock-reinforcing construction method and shelling type reinforcement body and reclaiming apparatus used thereby |
| CN101994316A (en) * | 2010-10-15 | 2011-03-30 | 张继红 | Recyclable composite anchor rod and construction method thereof |
| CN102261069A (en) * | 2011-04-29 | 2011-11-30 | 张继红 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
| CN202157325U (en) * | 2011-04-29 | 2012-03-07 | 张继红 | Recoverable hollow rod for anchor rod construction method |
-
2011
- 2011-04-29 CN CN2011101129497A patent/CN102261069A/en active Pending
-
2012
- 2012-04-26 CN CN2012101386096A patent/CN102660947A/en active Pending
- 2012-04-26 WO PCT/CN2012/000561 patent/WO2012146062A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660947A (en) * | 2011-04-29 | 2012-09-12 | 张继红 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
| WO2012146062A1 (en) * | 2011-04-29 | 2012-11-01 | Zhang Jihong | Construction method for indirectly heating recoverable anchors and cavity anchor and high-pressure heater used in the same |
| CN102704476A (en) * | 2012-05-15 | 2012-10-03 | 覃永忠 | Recyclable end bearing anchor |
| CN102704476B (en) * | 2012-05-15 | 2014-11-05 | 覃永忠 | Recyclable end bearing anchor |
| WO2014146548A1 (en) * | 2013-03-19 | 2014-09-25 | 苏州市能工基础工程有限责任公司 | Improved clip type anchor device |
| CN109441513A (en) * | 2018-11-28 | 2019-03-08 | 山西水利职业技术学院 | A kind of tunnel construction safety automatic monitor |
| CN109441513B (en) * | 2018-11-28 | 2023-10-27 | 山西水利职业技术学院 | Automatic monitoring device for tunnel construction safety |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102660947A (en) | 2012-09-12 |
| WO2012146062A1 (en) | 2012-11-01 |
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Open date: 20111130 |